Gentoo Archives: gentoo-hardened

From: klondike <franxisco1988@×××××.com>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] Remove the pic use flag in the hardened amd64 profile.
Date: Sun, 27 Feb 2011 08:22:19
Message-Id: AANLkTikmYhsVP_n8JX9HW4dsGYSucoGrdWkp1tpqk_J1@mail.gmail.com
In Reply to: Re: [gentoo-hardened] Remove the pic use flag in the hardened amd64 profile. by Ed W
1 2011/2/27 Ed W <lists@××××××××××.com>:
2 > On 26/02/2011 18:01, Magnus Granberg wrote:
3 >>
4 >> If you have read the last meeting we will be removing the pic use flag as
5 >> default on in the hardened amd64 profile. We will start with the changes
6 >> when
7 >> the new structure to the profiles have settled down.
8 >
9 > Hi, any chance of a bit of background on this change?  ie the "why" and some
10 > of the implications?
11 Summing it up a lot, amd64 usually needs not special asm code for PIC
12 due to the way the ABI is defined (which means being PIC by default
13 usually).
14
15 That's not always the case, i.e. aircrack needed special PIC code, but
16 in general it shouldn't be a problem.

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